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dc.creatorGarcia-Bolao, I. (Ignacio)-
dc.creatorMacias, A. (Alfonso)-
dc.creatorAlegria, E. (Eduardo)-
dc.creatorBerenguel, A. (Alejandro)-
dc.creatorGavira, J.J. (Juan José)-
dc.creatorAzcarate, P.M. (Pedro María)-
dc.creatorBarba, J. (Joaquín)-
dc.date.accessioned2012-10-09T11:48:10Z-
dc.date.available2012-10-09T11:48:10Z-
dc.date.issued2003-
dc.identifier.citationGarcia-Bolao I, Macias A, Alegria E, Berenguel A, Gavira JJ, Azcarate P, et al. Tratamiento de la insuficiencia cardíaca avanzada mediante estimulación biventricular. Experiencia inicial en una serie de 22 casos consecutivos. Rev Esp Cardiol 2003 Mar;56(3):245-252.es_ES
dc.identifier.issn0300-8932-
dc.identifier.urihttps://hdl.handle.net/10171/23340-
dc.description.abstractRecent data suggest that biventricular pacing may play an important role in treating advanced heart failure in the presence of a significant interventricular and/or intraventricular conduction disorder by correcting cardiac dysynchrony. In this article, we review the initial technical and clinical experience with cardiac resynchronization therapy in an electrophysiology laboratory. METHODS: The first 22 consecutive patients with severe congestive heart failure, ejection fraction < 0.35, NYHA functional class III or IV, and QRS duration > 120 ms who were implanted biventricular pacemakers were studied. Clinical, electrocardiographic, and echocardiographic evaluations were made before and three months after pacemaker implantation. Acute functional capacity testing with peak oxygen uptake was measured during biventricular pacing and during intrinsic rhythm or right ventricular pacing three months after the implantation procedure. RESULTS: The success rate of pacemaker implantation was 95%. Pre-discharge left ventricular pacing was achieved in 91%, with an average pacing threshold of 1.53 (1.04) volts. NYHA functional class improved (p = 0.039) from 3.4 (0.7) to 2.3 (0.78). The rate of hospitalization for heart failure decreased from an average of 3.12 (0.58) three months before the procedure to 1.38 (0.34) three months after the procedure. Peak oxygen uptake was significantly greater (p = 0.028) during biventricular pacing: 14.89 (2.1) ml/min/kg, than during intrinsic rhythm or right ventricular pacing: 12.65 (2.3) ml/min/kg. CONCLUSIONS: Cardiac resynchronization therapy can be performed safely and with a high success rate in the electrophysiology laboratory. Biventricular pacing seems to improve the symptoms of congestive heart failure in patients with evidence of atrioventricular and/or interventricular/intraventricular dysynchrony. An acute benefit in peak oxygen uptake was associated with biventricular pacing after the implantation procedure.es_ES
dc.language.isospaes_ES
dc.publisherElsevier Españaes_ES
dc.rightsinfo:eu-repo/semantics/openAccesses_ES
dc.subjectCardiac Pacing, Artificial/methodses_ES
dc.subjectHeart Failure/complications/therapyes_ES
dc.subjectHeart Function Testses_ES
dc.titleTratamiento de la insuficiencia cardíaca avanzada mediante estimulación biventricular. Experiencia inicial en una serie de 22 casos consecutivoses_ES
dc.title.alternativeBiventricular Pacing as a Treatment for Advanced Heart Failure. Preliminary Experience in a Series of 22 Consecutive Patientses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttp://apps.elsevier.es/watermark/ctl_servlet?_f=10&pident_articulo=13043950&pident_usuario=0&pcontactid=&pident_revista=25&ty=70&accion=L&origen=elsevier&web=www.revespcardiol.org&lan=es&fichero=25v56n03a13043950pdf001.pdfes_ES
dc.type.driverinfo:eu-repo/semantics/articlees_ES

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